Comparison of four analytical techniques for determining uranium in different rock samples

Four different analytical techniques were compared for their performance in direct determination of uranium in seven rock samples. These methods include: ion chromatography, laser fluorimetry, UV–Vis spectrophotometry and gamma spectrometry. The samples under study were six ore samples beside an int...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2019-12, Vol.322 (3), p.1975-1982
Main Authors: El Gammal, Entesar M., Ahmed, Sherien H.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Chromatography
Diagnostic Radiology
Fluorimetry
Hadrons
Heavy Ions
Inorganic Chemistry
Methods
Nuclear Chemistry
Nuclear energy
Nuclear Physics
Physical Chemistry
Sampling methods
Scientific imaging
Spectrometry
Spectrophotometry
Spectroscopy
Uranium
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Summary:Four different analytical techniques were compared for their performance in direct determination of uranium in seven rock samples. These methods include: ion chromatography, laser fluorimetry, UV–Vis spectrophotometry and gamma spectrometry. The samples under study were six ore samples beside an international reference sample (GBWO4115). The results obtained from the comparison study reported a method accuracy of 98%, 90%, 65% and 86% for ion chromatography, laser fluorimetry, UV–Vis spectrophotometry and gamma spectrometry techniques respectively. Also, on the converse of the other three techniques, ion chromatography technique using DX-500 ion chromatograph achieves superior agreement with the certified sample with only 2% bias.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-019-06911-0